Hamas Killing Shines Light on Payoneer, Prepaid Cards

A five-year-old New York company run by a former Israeli special-forces soldier is embroiled in the controversy surrounding the slaying of a senior Hamas official in Dubai.

Police in Dubai say that Payoneer Inc. distributed some of the prepaid cash cards that have been traced to suspects sought in the January killing of Mahmoud al-Mabhouh, a senior leader in the Palestinian militant group. Authorities in Dubai have said they believe Israeli intelligence service Mossad is behind the killing. The case has attracted...